.middle {
    padding: 10px 20px;
    color: #c6c6c8;
}

.last {
    width: 100%;
    height: calc(100vh - 100px);
    background: #fff;
    box-sizing: border-box;
    .form {
        list-style: none;
        padding: 0;
        width: 100%; 
        padding:0 10px;
        box-sizing: border-box; 
        background:#fff;
        li { 
            width:100%;
            height: 60px;
            line-height: 60px;   

            .iconfont {
                color:#cdd0d9; 
                font-size:12px;
                vertical-align: middle;
                margin-left:15px;
            }

            .add {
                display: inline-block;
                width:30px;
                height:30px;
                line-height:30px;
                text-align: center;
                border:1px solid #d3d3d3; 
                color:#d3d3d3; 
                font-size: 20px;
                vertical-align: middle;
            }
            .substr {
                display: inline-block;
                width:30px;
                height:30px;
                line-height:30px;
                text-align: center;
                border:1px solid #d3d3d3; 
                color:#d3d3d3; 
                font-size: 20px;
                margin-left:10px;
                vertical-align: middle;
            } 
            .sel {
                display: inline-block;  
                border: 0 none !important;
                outline-style: none; 
                vertical-align: middle;  
                width:60px;
                height:40px;
                line-height: 40px;
                overflow-x: hidden; 
                text-align: right;
                select {
                    border: 0 none !important;
                    outline-style: none; 
                    width:70px; 
                } 
                img {  
                    width:12px;
                    vertical-align: middle;
                }
            } 
            .input {
                display: inline-block;
                width:calc(100% - 170px); 
                vertical-align: middle; 

                input {
                    width:100%;
                    border:1px solid #ddd; 
                    vertical-align: middle; 
                    height:30px;
                    line-height: 30px; 
                    border-radius: 5px; 
                    padding-left:1em;
                    font-size: 18px;
                }
            }
        }
        .label {
            display: inline-block;
            width: 60px;
            vertical-align: top;
        }
        input {
            display: inline-block;
            width: 240px;
            border: 0 none;
            border-bottom: 1px solid #ddd;
            outline-style: none;
            list-style: none;
            padding-bottom: 5px;
            vertical-align: middle;
        } 
        input::-webkit-input-placeholder,
        textarea::-webkit-input-placeholder {
            color: #e0dede;
        }
        /* Mozilla Firefox 4 to 18 */
        input:-moz-placeholder,
        textarea:-moz-placeholder {
            color: #e0dede;
        }
        /* Mozilla Firefox 19+ */
        input::-moz-placeholder,
        textarea::-moz-placeholder {
            color: #e0dede;
        }
        /* Internet Explorer 10+ */
        input:-ms-input-placeholder,
        textarea:-ms-input-placeholder {
            color: #e0dede;
        } 
        .add {
            width:100px;
            font-size: 20px;
        }
    }
    .btn {
        width: 90%;
        margin: 0 auto;
        margin-top: 20px;
        border-radius: 5px;
        height: 40px;
        line-height: 40px;
        text-align: center;
        background: #367BF0;
        color: #fff;
        cursor: pointer;
    }
} 
.last {
    box-sizing: border-box;
    // overflow-x: hidden;
}